mirror of https://github.com/GNOME/gimp.git
156 lines
5.0 KiB
C
156 lines
5.0 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __TOOLS_H__
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#define __TOOLS_H__
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#include "cursorutil.h"
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/* The possibilities for where the cursor lies */
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#define ACTIVE_LAYER (1 << 0)
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#define SELECTION (1 << 1)
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#define NON_ACTIVE_LAYER (1 << 2)
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/* Tool action function declarations */
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typedef void (* ButtonPressFunc) (Tool *tool,
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GdkEventButton *bevent,
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GDisplay *gdisp);
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typedef void (* ButtonReleaseFunc) (Tool *tool,
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GdkEventButton *bevent,
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GDisplay *gdisp);
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typedef void (* MotionFunc) (Tool *tool,
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GdkEventMotion *mevent,
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GDisplay *gdisp);
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typedef void (* ArrowKeysFunc) (Tool *tool,
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GdkEventKey *kevent,
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GDisplay *gdisp);
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typedef void (* ModifierKeyFunc) (Tool *tool,
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GdkEventKey *kevent,
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GDisplay *gdisp);
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typedef void (* CursorUpdateFunc) (Tool *tool,
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GdkEventMotion *mevent,
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GDisplay *gdisp);
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typedef void (* OperUpdateFunc) (Tool *tool,
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GdkEventMotion *mevent,
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GDisplay *gdisp);
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typedef void (* ToolCtlFunc) (Tool *tool,
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ToolAction action,
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GDisplay *gdisp);
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/* ToolInfo function declarations */
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typedef Tool * (* ToolInfoNewFunc) (void);
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typedef void (* ToolInfoFreeFunc) (Tool *tool);
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typedef void (* ToolInfoInitFunc) (GDisplay *gdisp);
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/* The types of tools... */
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struct _Tool
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{
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/* Data */
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ToolType type; /* Tool type */
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gint ID; /* unique tool ID */
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ToolState state; /* state of tool activity */
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gint paused_count; /* paused control count */
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gboolean scroll_lock; /* allow scrolling or not */
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gboolean auto_snap_to; /* snap to guides automatically */
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gboolean preserve; /* Preserve this tool across drawable changes */
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GDisplay *gdisp; /* pointer to currently active gdisp */
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GimpDrawable *drawable; /* pointer to the tool's current drawable */
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gboolean toggled; /* Bad hack to let the paint_core show the
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* right toggle cursors
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*/
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gpointer private; /* Tool-specific information */
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/* Action functions */
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ButtonPressFunc button_press_func;
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ButtonReleaseFunc button_release_func;
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MotionFunc motion_func;
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ArrowKeysFunc arrow_keys_func;
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ModifierKeyFunc modifier_key_func;
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CursorUpdateFunc cursor_update_func;
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OperUpdateFunc oper_update_func;
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ToolCtlFunc control_func;
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};
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struct _ToolInfo
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{
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ToolOptions *tool_options;
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gchar *tool_name;
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gchar *menu_path;
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gchar *menu_accel;
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gchar **icon_data;
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GdkPixmap *icon_pixmap;
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GdkBitmap *icon_mask;
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gchar *tool_desc;
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const gchar *private_tip;
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ToolType tool_id;
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ToolInfoNewFunc new_func;
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ToolInfoFreeFunc free_func;
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ToolInfoInitFunc init_func;
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GtkWidget *tool_widget;
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GimpContext *tool_context;
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BitmapCursor tool_cursor;
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BitmapCursor toggle_cursor;
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};
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/* Function declarations */
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Tool * tools_new_tool (ToolType tool_type);
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void tools_select (ToolType tool_type);
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void tools_initialize (ToolType tool_type,
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GDisplay *gdisplay);
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void active_tool_control (ToolAction action,
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GDisplay *gdisp);
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void tools_help_func (const gchar *help_data);
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void tools_register (ToolType tool_type,
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ToolOptions *tool_options);
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gchar * tool_active_PDB_string (void);
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/* don't unref these pixmaps, they are static! */
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GdkPixmap * tool_get_pixmap (ToolType tool_type);
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GdkBitmap * tool_get_mask (ToolType tool_type);
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/* Global Data Structures */
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extern Tool *active_tool;
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extern ToolInfo tool_info[];
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extern gint num_tools;
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#endif /* __TOOLS_H__ */
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